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<?php
/**
* Returns Message id array
*/
function Message_ids()
{
return sql_select("SELECT `id` FROM `Messages`");
}
/**
* Returns message by id.
*
* @param $message_id message
* ID
*/
function Message($message_id)
{
$message_source = sql_select("SELECT * FROM `Messages` WHERE `id`='" . sql_escape($message_id) . "' LIMIT 1");
if ($message_source === false) {
return false;
}
if (count($message_source) > 0) {
return $message_source[0];
}
return null;
}
/**
* TODO: use validation functions, return new message id
* TODO: global $user con not be used in model!
* send message
*
* @param $receiver_user_id User
* ID of Reciever
* @param $text Text
* of Message
*/
function Message_send($receiver_user_id, $text)
{
global $user;
$text = preg_replace("/([^\p{L}\p{P}\p{Z}\p{N}\n]{1,})/ui", '', strip_tags($text));
$receiver_user_id = preg_replace("/([^0-9]{1,})/ui", '', strip_tags($receiver_user_id));
if (($text != "" && is_numeric($receiver_user_id)) && (sql_num_query("SELECT * FROM `User` WHERE `UID`='" . sql_escape($receiver_user_id) . "' AND NOT `UID`='" . sql_escape($user['UID']) . "' LIMIT 1") > 0)) {
sql_query("INSERT INTO `Messages` SET `Datum`='" . sql_escape(time()) . "', `SUID`='" . sql_escape($user['UID']) . "', `RUID`='" . sql_escape($receiver_user_id) . "', `Text`='" . sql_escape($text) . "'");
return true;
}
return false;
}
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